242 KGYPTIAS AGRICULTURE. 



gives 1'66% of nitrogen, a figure slightly lower than those 

 of Egyptian dungs given above. 



Indian cattle dung is made, generally speaking, without 

 litter and no attempt is made as a rule to save the urine. 

 This difference in the amounts o earth (mineral matter) in 

 the cattle manures of Egypt and India is sufficiently clear 

 from a comparison of the following analyses showing 

 the composition of air-dried manures. 



The much smaller quantity of earth employed in Indian 

 manure, is shown by the small percentage of mineral 

 matter and the high percentage of organic matter in 

 comparison will those of Egyptian heaps. 



THE LIQUID EXCRETA OK UIUNE. 



The urine of animals possesses a much greater value 

 than their solid excrement. The latter as already explained 

 consists of the food that has not been digested ; the nitrogen, 

 phosphoric acid and potash which were contained in the 

 food and which were not capable of being absorbed into 

 the animal system, are found here. On the other hand 

 the urine contains those valuable ingredients which have 

 been taken into rlic >ystom. :nid after having been used 



